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Head of Engineering

Alex AI
San Francisco, CA Full Time
POSTED ON 11/18/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Head of Engineering position at Alex AI?

Why Alex?

Alex is one of the fastest growing startups to come out of its YC batch with strong traction. We’re generating revenue and well-funded by some of the best investors in the Valley with years of runway.

What are you up to?

Alex is building the future of hiring. Alex is an AI recruiter that conducts job interviews in real-time. Companies use Alex to get the best hiring signal on their applicant pool and hire in a fraction of the time. Our AI recruiter has a live conversation over a video/phone call with each of your candidates based on the interview questions you choose or that are recommended based on the job description. During the interview, our AI asks personalized follow-up questions in real-time based on the candidate's responses. Our AI recruiter can be customized to your roles in minutes and has already conducted thousands of interviews across engineering, IT, retail, hospitality, and more.

Why should I join?

We’re hiring because we have a great product that our customers love, and our customers are asking for us to build so much more.

Be a part of something bigger. Build from the ground up on day one.

Complete agency. Flat structure with no bureaucracy, working directly with the founders.

Massive growth opportunities. Learn what it takes to grow an early YC-backed startup that's post-PMF and scaling.

Career-defining opportunity. You’ll have the opportunity to spearhead our engineering organization as an early employee.

What would I do?

  • Own engineering. Own the end-to-end management and scaling of the engineering organization, focusing heavily on recruitment, mentorship, and retention of top talent.
  • Build culture. Drive a culture of transparency and accountability through clear goal-setting, performance management, and professional growth initiatives.
  • Maximize velocity. Implement engineering best practices to optimize productivity, quality, and operational excellence.
  • Exceed timelines. Track and drive engineering initiatives, ensuring timelines and goals are consistently met or exceeded.
  • Collaborate. Work with the CTO to maintain technical excellence, reviewing and contributing directly to the codebase.

Is this right for me?

You’re a great fit if you’re:

  • Productive. Do you hate wasting time and always want to keep moving forward?
  • Independent: Are you comfortable working independently and able to build from the ground up?
  • Organized. Do you enjoy routine and staying well-organized?
  • Results-oriented. Are you disciplined and do you do what it takes to get the job done?
  • An effective communicator. Do you speak efficiently and listen closely, not only when collaborating with the team but when engaging with external stakeholders?

You’re probably not a great fit if you:

  • Need stability and a traditional work environment. We’re a fast-growing startup and this role won’t be your average 9 to 5.
  • Aren’t interested in AI technologies or the hiring space. If you’re not genuinely interested in our product or our customers, the opportunity isn’t the right one for you.
  • Don't want to be in office, building alongside your team. Our engineering team is in office 5 days a week, and we want you to be excited to lead the charge.

What’s in it for me?

  • Responsibility: Take ownership of building the next billion dollar company
  • Exceptional team: Collaborate with a tight-knit team of talented builders
  • Impact: Interact with products that directly impact people’s careers
  • Learning: Work with the co-founders daily in-person in SF
  • Upside: Competitive salary and equity
  • Benefits: Health insurance, unlimited PTO, company lunches, and great company events

If you’ve gotten this far and our culture resonates with you, we want you to apply. Submit your application with the phrase “fast track” and we’ll fast track your application with an interview directly.

Salary.com Estimation for Head of Engineering in San Francisco, CA
$432,863 to $563,360
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